Erect, spiny shrub, up to 2.5 m high. Stems erect, ribbed, minutely pubescent, pale to dark grey with age. Spines thin, sharp, recurved, ± 6 mm long, absent above. Cladodes in rounded fascicles on circular receptacle, obovoid, with some setae, apiculate, narrowed into flat basal disc, ± 1 mm long. Flowers solitary beside cladode fascicles, pendulous; pedicels articulated near base. Flowering time Dec. Fruit a berry.